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Command Line Interface User’s Guide
When a disk fails or you remove a disk, the cache buffers associated
with a container remain locked on the controller. This allows the
disk to come back online or allows the disk to be replaced. In this
case the containers regain the previously locked buffers. You may,
however, wish to release the cache buffers to the global buffer pool.
To release cache buffers associated with a container to the global
buffer pool, use the container release_cache command.
To work with releasing the cache buffers associated with a container,
you must understand:
■ The container release cache attributes you can specify
■ How to release the cache buffers associated with a container
■ Releasing the cash buffers associated with a container in a
UNIX environment
The following sections discuss each of these topics.
Understanding the Container Release Cache Attributes You can
Specify
You use the container release_cache command to release the
cache buffers associated with a container. The container
release_cache command has no attributes.
Understanding How to Release the Cache Buffers Associated with a
Container
This section provides an example that describes how to release the
cache buffers associated with a container.
Before releasing the cache buffers associated with a container, use
the container show cache command to display information
about the cache associated with a container
To release the cache buffers associated with a container, use the
container release_cache command, as in the following
example. In the example, the command releases the cache buffers
associated with container 0.
HPN0> container release_cache 0
Executing: container release_cache 0
After running the container release_cache command to
release the cache buffers associated with a container, use the
- HP NetRAID-4M 1
- 4 Working with Disks 4
- 5 Working with Disksets 5
- 9 Modifying Containers 9
- Contents 11
- 13 Working with Tasks 12
- 15 Working with Scripts 13
- Getting Started 15
- Supported Platforms 16
- Organization 16
- Conventions 18
- Related Documentation 18
- Notes, Cautions, and Warnings 19
- Introducing the Command 21
- Line Interface 21
- Working with Controllers 25
- Windows NT and Windows 2000 28
- Displaying a Controller Name 32
- Displaying Controller Memory 37
- Rescanning a Controller 39
- Displaying a Channel Number 46
- Displaying a Channel’s Type 47
- Resetting a Channel 48
- Understanding Batteries 48
- Reconditioning the Battery 50
- Working with Disks 51
- Understanding Disk Attributes 52
- Displaying Device Types 53
- Displaying Removable Media 54
- Displaying the Vendor ID 54
- Displaying the Product ID 55
- Displaying Disk Usage 56
- Displaying Disk Defects 57
- Initializing a Disk 58
- HPN0> disk list 1 60
- Executing: disk list (ID=1) 60
- Working with Partitions 61
- Displaying a Container’s Type 65
- Num Type R/W 66
- Type R/W 66
- Verifying a Disk 68
- Blinking a Disk Light 69
- Working with S.M.A.R.T. Disks 69
- Exceptions 71
- Displaying the Diskset ID 81
- Displaying the Creator ID 82
- Displaying the Owner 83
- Displaying a Diskset’s Label 85
- Shared Channel 86
- Creating a Diskset 89
- Adding a Disk to a Diskset 90
- Deleting a Diskset 93
- Assigning Diskset Management 94
- Attaching a Diskset 96
- Detaching a Diskset 97
- Changing a Diskset’s Label 98
- Taking Ownership of a Diskset 100
- Working with Disksets 101
- Working with Container 107
- Attributes 107
- (Windows Only) 111
- Displaying a Cluster Partner 113
- Specifying a Cluster Partner 114
- Container verify ENABLED 115
- Errors found 0 115
- Displaying a Container’s ID 116
- Renumbering a Container’s ID 116
- ■ container create mstripe 118
- ■ container create mvolume 118
- ■ container create raid5 118
- ■ container create stripe 118
- ■ container create volume 118
- Understanding Freespace 123
- HPN0> container readonly 0 128
- ■ Lock a container 129
- ■ Unlock a container 129
- Environment 133
- Displaying a Valid Container 135
- ■ Mirror set 136
- ■ Container reconfiguration 136
- ■ Snapshot 136
- ■ RAID-5 set 136
- Working With Single-level 151
- Containers 151
- Working with a Volume Set 152
- Working with a Stripe Set 156
- Working with a Mirror Set 161
- Specifying the I/O Delay 162
- Working with a RAID-5 Set 165
- Working with Multi-level 173
- Mirror Sets 178
- ■ stripe size 179
- ■ container label 179
- Container 0 created 179
- Volume Sets 182
- Stripe Sets 185
- RAID-5 Sets 200
- Modifying Containers 209
- You can Specify 210
- Extending a File System 212
- Working with Mirror Sets 218
- Unmirroring a Mirror Set 220
- Scrubbing a Mirror Set 222
- Scrubbing a RAID-5 Set 226
- Enabling Write Cache 231
- Container 234
- Container You can Specify 237
- Assigning Global Spare Disks 238
- Removing Global Spare Disks 239
- Working with File Systems 241
- Specifying a Container Label 242
- Specifying the File System 242
- Specifying Quick Format 243
- Removing a File System 247
- Extending a Container 248
- Specifying Freespace 249
- Attributes You can Specify 251
- Taking a Container Offline 252
- Deleting a Container 253
- Working with Snapshot 257
- Creating a Snapshot Container 258
- Updating a Snapshot Container 263
- Removing a Snapshot Container 265
- Working with Diagnostic 269
- Commands 269
- Dumping Diagnostic Data 272
- Dumping Data Structures 274
- Clearing Boot Parameters 274
- Setting a Boot Parameter 275
- Setting the Interrupt Count 275
- Setting the Interrupt Timer 276
- Loading Containers 277
- Working with Event 279
- Notification 279
- Enabling E-Mail Notification 280
- Displaying the Mail Server 281
- Displaying the Mail To Line 282
- Setting the Mail Server 283
- How to Set the Mail Server 284
- How to Test the Mail Server 286
- How to Clear the Mail Server 287
- Working with Tasks 289
- Displaying the Task ID 290
- Displaying the Task Function 291
- Displaying the Container ID 292
- Displaying the Task State 292
- Displaying the Task Status 293
- Starting Tasks 294
- Stopping Tasks 295
- Suspending Tasks 296
- Resuming Tasks 297
- Working with Remote 299
- Management 299
- Displaying the Lock Status 300
- Displaying the Computer Name 301
- Database 304
- Connection Database 306
- Working with Scripts 311
- HPN0> @clist.afa 312
- Example Scripts 316
- Example 2 317
- Example 3 318
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